César Sepúlveda <csepulveda <at> mediastre.am> writes: > $ ffmpeg -y -i gop_10.mp4 -acodec aac -strict -2 > -vcodec libx264 -ss 5.00500 -vframes 60 -level 31 > -profile:v baseline 1.mp4 You may try -vsync 0 or another container because our mov muxer tends to duplicate the first frame to produce cfr output. Carl Eugen